1 Scope
2 References
3 Definitions
3.1 Definition of IP and Frame Relay
performance parameters
4 Abbreviations
5 Conventions
6 General model for interconnecting
IP routers via Frame Relay
7 Layered model of performance for IP
services
8 Generic IP service performance
model
8.1 Network components, circuit
sections and network sections
8.2 Reference path for UNI-to-UNI
Quality of Service assessment
9 Encapsulation of an IP packet into
a Frame Relay frame
10 Analytical relationship between IP and Frame Relay performance
parameters
10.1 Loss performance
10.2 Delay performance
10.3 IP Delay Variation (IPDV)
performance
11 Mapping IP performance to Frame Relay QoS classes
11.1 Mapping of FLR to IPLR
11.2 Mapping of FRTD to IPTD
12 Implications for planning IP networks
Annex A – General
transfer delay model
A.1 Transfer delay model
A.2 Components of delay
Annex B – Use of the
transfer delay model in planning IP networks
B.1 Use of the transfer delay model
B.2 Design of an IP section to meet
the Classes 0 and 2 IPTD objective
Appendix I – Effect
of packet/frame size on the IP transfer delay
I.1 Estimate of IP packet transfer delay using the model
Appendix II – Use of
Frame Relay for support of the IP service classes defined in ITU-T Rec. Y.1541
II.1 Simple interconnection of IP
routers
II.2 Calculation of end-to-end delay
II.3 Estimation of the IPDV
II.4 Estimation of IP Packet Loss ratio
(IPLR)
Appendix III –
General network architecture for an IP network
III.1 General network architecture for
an IP network
III.2 IP access network reference model
Appendix IV –
Definition of network components, circuit sections and network sections
IV.1 Network components
IV.2 Circuit sections and network
sections
Appendix
V – IP network QoS classes (as per ITU-T Rec. Y.1541)